Home
Class 12
PHYSICS
A triangular plate has two cavities , on...

A triangular plate has two cavities , one square and one rectangular as shown in figure . The plate is heated.

A

a increase , b decrease

B

a and b both increase

C

a and b increase , x and l decrease

D

a , b , x and l all increase

Text Solution

Verified by Experts

The correct Answer is:
B, D
All dimensions increase on heating.
Promotional Banner

Topper's Solved these Questions

  • GEOMETRICAL OPTICS

    ALLEN|Exercise EXERCISE -03|11 Videos

  • GEOMETRICAL OPTICS

    ALLEN|Exercise ASSERTION-REASON|40 Videos

  • GEOMETRICAL OPTICS

    ALLEN|Exercise EXERCISE -01|65 Videos

  • CURRENT ELECTRICITY

    ALLEN|Exercise All Questions|427 Videos

  • GRAVITATION

    ALLEN|Exercise EXERCISE 4|9 Videos

Similar Questions

Explore conceptually related problems

A triangular plate has two cavitiesone triangle and other rectangle. The plate is heated :

A parallel plate capacitor has two layers of dielectric as shown in figure. This capacitor is connected across a battery. The graph which shows the variation of electric field (E) and distance (X) from left plate.

Two capacitors are made in series by two metal plates and one I structure as shown in figure. The area of each plate shown is A .The equivalent capacitance between top and bottom plate of this system is given as:

A semicircular portion of radius 'r' is cut from a uniform rectangular plate as shown in figure. The distance of centre of mass 'C' of remaining plate, from point 'O' is

A composite plate comprises a triangular area (1) and rectangular area (2) as shown in the figure. The triangular plate experiences forces due to the liquids of densities rho_(1) and the rectangular plate experiences the force due to liquid of density rho_(2) . Find the hydrostatic forces on (a) area 1 , (b) area 2 , (c) total composite area of the plate. Assume rho_(1)=rho and rho_(2)=2rho .

A rectangular plate has a circular cavity as shown in the figure. If we increases its temperature then which dimension will increases in following figure.

There is a rectangular metal plate in which two cavities in the shape of rectangle and circle are made, as shown with dimensions. P and Q are the centres of these cavities. On heating the plate, which of the following quantities increases?

A uniform rectangular plate has been bent as shown in the figure. The two angled parts of the plate are of identical size. The moment of inertia of the bent plate about axis xx is I. Find its moment of inertia about an axis parallel to x x and passing through the centre of mass of the plate.

Masses of 2 kg each are placed at the corners B and A of a rectangular plate ABCD as shown in the figure. A mass of 8 kg has to be placed on the plate so that the centre of mass of the system should be the centre O . Then the mass should be placed at : .

ALLEN-GEOMETRICAL OPTICS-EXERCISE -02
  1. A triangular plate has two cavities , one square and one rectangular a...

    Text Solution

    |

  2. Three rods of equal of length are joined to from an equilateral triang...

    Text Solution

    |

  3. Which of the following properties about glass makes it suitable to be ...

    Text Solution

    |

  4. If water at 0^@C kept in a container with an open top, is placed a lar...

    Text Solution

    |

  5. In the previous question, if the specific latent heat of vaporization ...

    Text Solution

    |

  6. Which of the following statements is // are correct ?

    Text Solution

    |

  7. When two non reactive samples at different temperatures are mixed in a...

    Text Solution

    |

  8. Two identical beakers with negligible thermal expansion are filled wit...

    Text Solution

    |

  9. The figure shows two paths for the change of state of a gas from A to ...

    Text Solution

    |

  10. During the melting of a slab of ice at 273K at atmospheric pressure,

    Text Solution

    |

  11. Two substances A and B of equal mass m are heated by uniform rate of 6...

    Text Solution

    |

  12. A well insulated substance in solid state is heated at a constant rate...

    Text Solution

    |

  13. Three closed vessels A, B and C are at the same temperature T and cont...

    Text Solution

    |

  14. A partition divides a container having insulated walls into two compar...

    Text Solution

    |

  15. When a gas is heated in a vessel of constant volume , the pressure inc...

    Text Solution

    |

  16. During an experiment, an ideal gas is found to obey a condition (p^2)/...

    Text Solution

    |

  17. An ideal gas can be expanded form an initial state to a certain volume...

    Text Solution

    |

  18. Pressure versus temperature graph of an ideal gas is shown in figure. ...

    Text Solution

    |

  19. When unit mass of water boils to become steam at 100^(@)C, it absorbs ...

    Text Solution

    |

  20. N molecules, each of mass m of gas A and 2 N molecules each of mass 2m...

    Text Solution

    |